/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.axis2.clustering.zookeeper;

import org.apache.axiom.om.OMElement;
import org.apache.axis2.AxisFault;
import org.apache.axis2.clustering.ClusteringFault;
import org.apache.axis2.clustering.MessageSender;
import org.apache.axis2.clustering.management.DefaultNodeManager;
import org.apache.axis2.clustering.management.NodeManagementCommand;
import org.apache.axis2.clustering.management.NodeManager;
import org.apache.axis2.context.ConfigurationContext;
import org.apache.axis2.description.Parameter;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

public class ZooKeeperNodeManager implements NodeManager {

	

	private static final Log log = LogFactory.getLog(ZooKeeperNodeManager.class);
	
	private MessageSender sender;
    private ConfigurationContext configurationContext;
    private final Map<String, Parameter> parameters = new HashMap<String, Parameter>();
	
    public void addParameter(Parameter param) throws AxisFault {
    	parameters.put(param.getName(), param);

    }

    public void removeParameter(Parameter param) throws AxisFault {
    	parameters.remove(param.getName());

    }

    public void deserializeParameters(OMElement parameterElement)
            throws AxisFault {
    	throw new UnsupportedOperationException();
    }

    public Parameter getParameter(String name) {
    	return parameters.get(name);    }

    public ArrayList getParameters() {
        ArrayList<Parameter> list = new ArrayList<Parameter>();
        for (Iterator iter = parameters.keySet().iterator(); iter.hasNext();) {
            list.add(parameters.get(iter.next()));
        }
        return list;
    }

    public boolean isParameterLocked(String parameterName) {
    	return getParameter(parameterName).isLocked();
    }

    public void prepare() throws ClusteringFault {
    	 if (log.isDebugEnabled()) {
             log.debug("Enter: DefaultNodeManager::prepare");
         }

         if (log.isDebugEnabled()) {
             log.debug("Exit: DefaultNodeManager::prepare");
         }

    }

    public void rollback() throws ClusteringFault {
    	 if (log.isDebugEnabled()) {
             log.debug("Enter: DefaultNodeManager::rollback");
         }

         if (log.isDebugEnabled()) {
             log.debug("Exit: DefaultNodeManager::rollback");
         }

    }

    public void commit() throws ClusteringFault {
        // TODO Auto-generated method stub

    }

    public void exceptionOccurred(Throwable throwable) throws ClusteringFault {
        // TODO Auto-generated method stub

    }

    public void setConfigurationContext(
            ConfigurationContext configurationContext) {
    	this.configurationContext = configurationContext;

    }
    
    public void setSender(MessageSender sender) {
		this.sender = sender;
	}

    public void sendMessage(NodeManagementCommand command)
            throws ClusteringFault {
    	 sender.sendToGroup(command);

    }
    
    

}
